[dpdk-dev] TCP GSO support above IPv6

[Ophir Munk]

Hi,
Please see inline

> -----Original Message-----
> From: Hu, Jiayu [mailto:jiayu.hu at intel.com]
> Sent: Monday, April 23, 2018 4:07 AM
> To: Ophir Munk <ophirmu at mellanox.com>; dev at dpdk.org; Mark Kavanagh
> <mark.b.kavanagh at intel.com>
> Cc: Thomas Monjalon <thomas at monjalon.net>; Olga Shern
> <olgas at mellanox.com>
> Subject: RE: TCP GSO support above IPv6
> 
> Hi Ophir,
> 
> Comparing with IPv6, IPv4 is used more widely used and more popular.
> Therefore, when proposed the GSO library, we just planned to support IPv4.
> 
> Do you have any usage scenarios that depend on IPv6?

The same usage scenarios with IPv4 may be applicable to IPv6 since the 
application requesting TSO at layer 4 may not care about which IP is used at layer 3.

> 
> Thanks,
> Jiayu
> > -----Original Message-----
> > From: Ophir Munk [mailto:ophirmu at mellanox.com]
> > Sent: Sunday, April 22, 2018 10:45 PM
> > To: dev at dpdk.org; Hu, Jiayu <jiayu.hu at intel.com>; Mark Kavanagh
> > <mark.b.kavanagh at intel.com>
> > Cc: Thomas Monjalon <thomas at monjalon.net>; Olga Shern
> > <olgas at mellanox.com>
> > Subject: TCP GSO support above IPv6
> >
> > Hello Jiayu,
> > I wonder why librte_gso only supports TCP GSO above IPv4.
> > Can you please explain why TCP GSO is not supported above IPv6?
> > Are there plans to support it?
> >
> > Regards,
> > Ophir